Titanium alloy, member made of the titanium alloy and method for

Details Titanium alloy, member made of the titanium alloy and method for Titanium alloy, member made of the titanium alloy and method for

1996-06-06

1999-12-28

Wyszomierski, George

Stock material or miscellaneous articles

All metal or with adjacent metals

Workpiece with longitudinal passageway or stopweld material

148421, 420417, 420418, 420419, 420420, 428660, C22C 1400

Patent

active

060079231

ABSTRACT:
A joined tubular body comprises a titanium alloy pipe of which crystal grain is hard to coarsen at the time of welding or hot-extruding, which consists by weight percentage of at least one element selected from 0.01.about.10% of S, 0.01.about.10% of Se and 0.01.about.10% of Te (the total sum does not exceed 10%), one or both of 0.01.about.10% REM and 0.01.about.10% of Ca (the total sum does not exceed 10%), and the above pipe is joined to a titanium alloy pipe consisting of the above elements and also at least one element selected from Al.ltoreq.10%, V.ltoreq.25%, Sn.ltoreq.15%, Co.ltoreq.10%, Cu.ltoreq.10%, Ta.ltoreq.15%, Mn.ltoreq.10%, Hf.ltoreq.10%, W.ltoreq.10%, Si.ltoreq.0.5%, Nb.ltoreq.20%, Zr.ltoreq.10%, Mo.ltoreq.15%, and 0.ltoreq.0.1% (the total sum does not exceed 30%).

REFERENCES:
patent: 4576660 (1986-03-01), Rowe
patent: 4578129 (1986-03-01), Rowe
patent: 4810465 (1989-03-01), Kimura et al.
patent: 5156807 (1992-10-01), Nagata et al.
ASM Handbook, vol. 2, Properties and Selection, p. 588, ASM, 1990.

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